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https://www.readbyqxmd.com/read/28222184/ecological-and-human-health-risks-associated-with-abandoned-gold-mine-tailings-contaminated-soil
#1
Veronica Mpode Ngole-Jeme, Peter Fantke
Gold mining is a major source of metal and metalloid emissions into the environment. Studies were carried out in Krugersdorp, South Africa, to evaluate the ecological and human health risks associated with exposure to metals and metalloids in mine tailings contaminated soils. Concentrations of arsenic (As), cadmium (Cd), chromium (Cr), cobalt (Co), copper (Cu), lead (Pb), manganese (Mn), nickel (Ni), and zinc (Zn) in soil samples from the area varied with the highest contamination factors (expressed as ratio of metal or metalloid concentration in the tailings contaminated soil to that of the control site) observed for As (3...
2017: PloS One
https://www.readbyqxmd.com/read/28222035/nutritional-status-and-metabolic-profile-in-neurologically-impaired-pediatric-surgical-patients
#2
Gloria Pelizzo, Valeria Calcaterra, Veronica Carlini, Mario Fusillo, Matteo Manuelli, Catherine Klersy, Noemi Pasqua, Elona Luka, Riccardo Albertini, Mara De Amici, Hellas Cena
BACKGROUND: Malnutrition is reported in pediatric neuromotor disability and impacts the child's health. We described the nutritional and metabolic status in neurologically impaired (NI) children undergoing surgery. METHODS: Anthropometry, body composition, hormonal and nutritional evaluations were performed in 44 NI subjects (13.7±8.0 years). Energy needs were calculated by Krick's formula. Metabolic syndrome (MS) was defined applying the following criteria (≥3 defined MS): fasting blood glucose >100 mg/dL and/or homeostasis model assessment for insulin resistance (HOMA-IR) >97...
February 21, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28221124/two-cases-of-neisseria-meningitidis-proctitis-in-hiv-positive-men-who-have-sex-with-men
#3
José Gutierrez-Fernandez, Verónica Medina, Carmen Hidalgo-Tenorio, Raquel Abad
We report 2 cases from Spain of infectious proctitis caused by Neisseria meningitidis in HIV-positive men who have sex with men. Genetic characterization of the isolates showed that they are unusual strains not found in other more frequent meningococcal locations. This finding suggests an association between specific strains and anogenital tract colonization.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28220975/thermodynamic-stability-of-heterodimetallic-lnln-complexes-synthesis-and-dft-studies
#4
Guillem Aromi, Joan González-Fabra, Nuno A G Bandeira, Veronica Velasco, Leoní A Barrios, David Aguilà, Simon J Teat, Olivier Roubeau, Carles Bo
The solid state and solution configuration of the heterodimetallic complexes, (Hpy)[CeEr(HL)3(NO3)(py)(H2O)] (1), (Hpy)[PrSm(HL)3(NO3)(py)(H2O)] (2) and (Hpy)2[LaYb(HL)3(NO3)(H2O)](NO3) (3), where H3L is 6-(3-oxo-3-(2-hydroxyphenyl)propionyl)pyridine-2-carboxylic acid, are analysed experimentally and through DFT calculations. Complexes 2 and 3 are described here for the first time, by means of single crystal X-ray diffraction and mass spectrometry. The theoretical study is also extended to the [LaCe], [LaLu] and [CeGd] analogues...
February 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28219359/congenital-tuberculosis-in-an-extremely-preterm-infant-conceived-after-in-vitro-fertilization-case-report
#5
Veronica Samedi, Stephen K Field, Essa Al Awad, Gregory Ratcliffe, Kamran Yusuf
BACKGROUND: Congenital tuberculosis is a rare manifestation of tuberculosis. The diagnosis is often delayed, especially in preterm neonates because of the non-specific clinical presentation and the lack of awareness of maternal disease prior to pregnancy. CASE PRESENTATION: We report a case of congenital tuberculosis in an infant born at 24 weeks of gestation to a mother who presented with uncontrolled seizures during preterm labor. Maternal diagnosis was initially made by placental pathology, and later confirmed by isolation of Mycobacterium tuberculosis in urine, gastric aspirates and sputum...
February 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28217872/craniosynostosis-delayed-closure-of-the-fontanelle-anal-genitourinary-and-skin-abnormalities-cdags-syndrome-first-report-in-a-mexican-patient-and-review-of-the-literature
#6
Rodrigo Pastrana-Ayala, Gretty L Peña-Castro, Adriana M Valencia-Herrera, Carlos A Mena-Cedillos, Sonia Toussaint-Caire, Yumiko I Akaki-Carreño, Constanza García-Delgado, Veronica F Morán-Barroso, Mirna Toledo-Bahena
INTRODUCTION: Craniosynostosis and clavicular hypoplasia, delayed closure of the fontanelle, cranial defects, anal and genitourinary abnormalities, and skin (CDAGS), is an infrequent autosomal recessive entity with only 10 cases reported; no associated gene has been identified so far. CASE REPORT: The proband is a 2-year-old Mexican female with brachycephaly, cleft palate, anal malformation with rectovestibular fistula, and clinodactyly of the third toe overlapping the second...
February 19, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28216128/mucinous-cystadenoma-in-children-and-adolescents
#7
Renee A Cowan, Erin N Haber, Fabio R Faucz, Constantine A Stratakis, Veronica Gomez-Lobo
STUDY OBJECTIVE: Mucinous cystadenomas (MCAs) are benign epithelial ovarian tumors that occur rarely in children and adolescents. As children and adolescents typically have their childbearing years ahead of them, conservative therapy is indicated. However, there is concern that ovarian cystectomy may be associated with significant recurrence risk in MCA. Furthermore, GNAS gene mutations are associated with McCune-Albright Syndrome, which is associated with cystic ovaries. We sought to evaluate the outcomes of children and adolescents with MCA treated conservatively...
February 16, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28216123/ablation-of-the-auditory-cortex-results-in-changes-in-the-expression-of-neurotransmission-related-mrnas-in-the-cochlea
#8
Verónica Lamas, José M Juiz, Miguel A Merchán
The auditory cortex (AC) dynamically regulates responses of the Organ of Corti to sound through descending connections to both the medial (MOC) and lateral (LOC) olivocochlear efferent systems. We have recently provided evidence that AC has a reinforcement role in the responses to sound of the auditory brainstem nuclei. In a molecular level, we have shown that descending inputs from AC are needed to regulate the expression of molecules involved in outer hair cell (OHC) electromotility control, such as prestin and the α10 nicotinic acetylcholine receptor (nAchR)...
February 16, 2017: Hearing Research
https://www.readbyqxmd.com/read/28214954/association-of-toll-like-receptor-4-single-nucleotide-polymorphisms-asp299gly-and-thr399ile-with-the-risk-of-primary-open-angle-glaucoma
#9
Jose Navarro-Partida, Abril Bernardette Martinez-Rizo, Pedro Ramirez-Barrera, Jesus Bernardino Velazquez-Fernandez, Veronica A Mondragon-Jaimes, Arturo Santos-Garcia, Veronica Benites-Godinez
PURPOSE: Toll-like receptor 4 (TLR4) is a transmembrane receptor that mediates immune responses to exogenous and endogenous ligands. Previously, non-coding single nucleotide polymorphisms (SNPs) in the TLR4 gene were related to primary open angle glaucoma (POAG). This study was undertaken to investigate whether coding TLR4 Asp299Gly (rs4986790 A/G) and Thr399Ile (rs4986791 C/T) are associated with POAG in a Mexican population. METHODS: One hundred and eighty-seven unrelated Mexican patients with POAG (94 men and 95 women; mean age 66...
February 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28214728/lipid-signalling-mediated-by-pld-pa-modulates-proline-and-h2o2-levels-in-barley-seedlings-exposed-to-short-and-long-term-chilling-stress
#10
Micaela Peppino Margutti, Matias Reyna, María Verónica Meringer, Graciela E Racagni, Ana Laura Villasuso
Phospholipase D (PLD) hydrolyses phospholipids to yield phosphatidic acid (PA) and a head group, and is involved in responses to a variety of environmental stresses, including chilling and freezing stress. Barley responses to chilling stress (induced by incubating seedlings at 4 °C) are dynamic and the duration of stress, either short (0-180 min) or long-term (24-36 h) had a significant impact on the response. We investigated the roles of PLD/PA in responses of barley (Hordeum vulgare) seedlings to short and long-term chilling stress, based on regulation of proline and reactive oxygen species (ROS) levels...
February 10, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28212528/the-crispr-cas9%C3%A2-system-efficiently-reverts-the-tumorigenic-ability-of-bcr-abl-in-vitro-and-in-a-xenograft-model-of-chronic-myeloid-leukemia
#11
Ignacio García-Tuñón, María Hernández-Sánchez, José Luis Ordoñez, Veronica Alonso-Pérez, Miguel Álamo-Quijada, Rocio Benito, Carmen Guerrero, Jesús María Hernández-Rivas, Manuel Sánchez-Martín
CRISPR/Cas9 technology was used to abrogate p210 oncoprotein expression in the Boff-p210 cell line, a pro-B line derived from interlukin-3-dependent Baf/3, that shows IL-3-independence arising from the constitutive expression of BCR-ABL p210. Using this approach, pools of Boff-p210-edited cells and single edited cell-derived clones were obtained and functionally studied in vitro. The loss of p210 expression in Boff-p210 cells resulted in the loss of ability to grow in the absence of IL-3, as the Baf/3 parental line, showing significantly increased apoptosis levels...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210796/optogenetic-switches-for-light-controlled-gene-expression-in-yeast
#12
REVIEW
Francisco Salinas, Vicente Rojas, Verónica Delgado, Eduardo Agosin, Luis F Larrondo
Light is increasingly recognized as an efficient means of controlling diverse biological processes with high spatiotemporal resolution. Optogenetic switches are molecular devices for regulating light-controlled gene expression, protein localization, signal transduction and protein-protein interactions. Such molecular components have been mainly developed through the use of photoreceptors, which upon light stimulation undergo conformational changes passing to an active state. The current repertoires of optogenetic switches include red, blue and UV-B light photoreceptors and have been implemented in a broad spectrum of biological platforms...
February 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28209815/whole-genome-sequence-of-a-colombian-acinetobacter-baumannii-strain-a-coproducer-of-oxa-72-and-oxa-255-like-carbapenemases
#13
Sandra Yamile Saavedra, Diego Prada-Cardozo, Verónica Rincón, Hermes Pérez-Cardona, Andrea Melissa Hidalgo, María Nilse González, María T Reguero, Emilia M Valenzuela de Silva, José R Mantilla, Laurent Falquet, Emiliano Barreto-Hernández, Carolina Duarte
Colombian Acinetobacter baumannii strain ST920 was isolated from the sputum of a 68-year-old male patient. This isolate possessed blaOXA-72 and blaOXA-255-like genes. The assembled genome contained 4,104,098 pb and 38.79% G+C content. This is the first case reported of the coproduction (blaOXA-72 and blaOXA-255-like) of carbapenem-hydrolyzing class D β-lactamases (CHDLs) in Acinetobacter baumannii.
February 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28209475/quantification-of-psp-toxins-in-toxic-shellfish-matrices-using-post-column-oxidation-liquid-chromatography-and-pre-column-oxidation-liquid-chromatography-methods-suggests-post-column-oxidation-liquid-chromatography-as-a-good-monitoring-method-of-choice
#14
Verónica Rey, Ana M Botana, Luis M Botana
Different shellfish samples were analyzed by Pre- and Post-Column Oxidation Liquid Chromatography to compare the toxins profiles and get information about the degree of accomplishment of both methods. Comparison of the results obtained, the linear correlation coefficient (r(2) = 0.94) and the paired t test (two tails, α = 0.05), indicated that there were not significant differences between both sets of data. Nevertheless, important differences related to toxins profiles were found: it was remarkable the difference in results for both Gonyautoxins 1 and 4 and Decarbamoylgonyautoxins 2 and 3, depending on the method of choice, due to an overestimation in the Pre-Column method...
February 13, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28209375/suboptimal-achievement-of-low-density-lipoprotein-cholesterol-targets-in-french-patients-with-coronary-heart-disease-contemporary-data-from-the-dysis-ii-acs-chd-study
#15
Jean Ferrières, Maja Velkovski Rouyer, Dominik Lautsch, Veronica Ashton, Baishali M Ambegaonkar, Philippe Brudi, Anselm K Gitt
BACKGROUND: European guidelines recommend a low-density lipoprotein cholesterol (LDL-C) target of<1.8mmol/L (70mg/dL), and/or a≥50% reduction when the target level cannot be reached, for patients at very high cardiovascular risk, and high-potency lipid-lowering therapy (LLT) in patients with an acute coronary syndrome (ACS). AIM: To document the prevalence of lipid abnormalities and the achievement of lipid targets among patients surviving an ACS and in patients with stable coronary heart disease (CHD), using data from the DYSIS II study...
February 13, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28209220/very-low-density-lipoprotein-associated-apolipoproteins-predict-cardiovascular-events-and-are-lowered-by-inhibition%C3%A2-of%C3%A2-apoc-iii
#16
Raimund Pechlaner, Sotirios Tsimikas, Xiaoke Yin, Peter Willeit, Ferheen Baig, Peter Santer, Friedrich Oberhollenzer, Georg Egger, Joseph L Witztum, Veronica J Alexander, Johann Willeit, Stefan Kiechl, Manuel Mayr
BACKGROUND: Routine apolipoprotein (apo) measurements for cardiovascular disease (CVD) are restricted to apoA-I and apoB. Here, the authors measured an unprecedented range of apolipoproteins in a prospective, population-based study and relate their plasma levels to risk of CVD. OBJECTIVES: This study sought to measure apolipoproteins directly by mass spectrometry and compare their associations with incident CVD and to obtain a system-level understanding of the correlations of apolipoproteins with the plasma lipidome and proteome...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28209202/erratum-to-inflammation-glucose-and-vascular-cell-damage-the-role-of-the-pentose-phosphate-pathway
#17
Concepción Peiró, Tania Romacho, Verónica Azcutia, Laura Villalobos, Emilio Fernández, Juan P Bolaños, Salvador Moncada, Carlos F Sánchez-Ferrer
No abstract text is available yet for this article.
February 16, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28208746/evidence-of-a-dha-signature-in-the-lipidome-and-metabolome-of-human-hepatocytes
#18
Veronica Ghini, Mattia Di Nunzio, Leonardo Tenori, Veronica Valli, Francesca Danesi, Francesco Capozzi, Claudio Luchinat, Alessandra Bordoni
Cell supplementation with bioactive molecules often causes a perturbation in the whole intracellular environment. Omics techniques can be applied for the assessment of this perturbation. In this study, the overall effect of docosahexaenoic acid (DHA) supplementation on cultured human hepatocyte lipidome and metabolome has been investigated using nuclear magnetic resonance (NMR) in combination with traditional techniques. The effect of two additional bioactives sharing with DHA the lipid-lowering effect-propionic acid (PRO) and protocatechuic acid (PCA)-has also been evaluated in the context of possible synergism...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208592/relationship-between-deck-level-body-surface-temperature-and-carcass-damages-in-italian-heavy-pigs-after-short-journeys-at-different-unloading-environmental-conditions
#19
Agnese Arduini, Veronica Redaelli, Fabio Luzi, Stefania Dall'Olio, Vincenzo Pace, Leonardo Nanni Costa
In order to evaluate the relationships between deck level, body surface temperature and carcass damages after a short journey (30 min), 10 deliveries of Italian heavy pigs, including a total of 1400 animals from one farm, were examined. Within 5 min after the arrival at the abattoir, the vehicles were unloaded. Environmental temperature and relative humidity were recorded and a Temperature Humidity Index (THI) was calculated. After unloading, maximum temperatures of dorsal and ocular regions were measured by a thermal camera on groups of pigs from each of the unloaded decks...
February 10, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28208289/atmospheric-pressure-vaporization-mechanism-for-coupling-a-liquid-phase-with-electron-ionization-mass-spectrometry
#20
Veronica Termopoli, Giorgio Famiglini, Pierangela Palma, Maurizio Piergiovanni, Achille Cappiello
A novel liquid chromatography-mass spectrometry (LC-MS) interfacing concept is presented and discussed. The new interface, called liquid-EI (LEI), is based on electron ionization (EI) but, differently from any previous attempt, the vaporization of solutes and mobile phase takes place at atmospheric pressure into a specifically designed region, called "vaporization microchannel", before entering the high-vacuum ion source. The interface is completely independent from the rest of the instrumentation and can be adapted to any gas chromatography/mass spectrometry (GC/MS) system, as an add-on for a rapid LC-MS conversion...
February 7, 2017: Analytical Chemistry
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